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* wasm: fix texture leak when window is destroyed in a different contextAlexandra Cherdantseva2020-02-275-9/+36
| | | | | | | | | | Reproduce: Show first window in first canvas; Show second window in second canvas; After screens are rendered destroy first window in first canvas Change-Id: Ifbeb4824c1fdedecf24d5d20e58613d15c066420 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Doc: List alternative ways to get the MySQL C ConnectorSze Howe Koh2020-02-271-9/+12
| | | | | | | | | The C Connector does not appear to be offered as a component in the MySQL 8.0.19.0 installer. Task-number: QTBUG-82187 Change-Id: I4b1ef83cca68e7bf6dd032ba35c0784354d7fed3 Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
* Document the behavior of QLineEdit::inputMask correctlyVolker Hilsheimer2020-02-261-14/+18
| | | | | | | | | | | | | | | | QLineEdit is unicode, and uses QChar::isLetter and QChar::isNumber to evaluate whether an input character is valid. There is no test for ASCII ranges, or converting of input characters to ASCII, so the documentation was wrong. [ChangeLog][QtWidgets][QLineEdit] the inputMask property has allowed any Letter or Number category character for the respective mask characters, not just ASCII. The documentation has been updated accordingly. Change-Id: Ied93cf6ddd334ac91bfbc275107a8eb83d231d80 Fixes: QTBUG-82291 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>
* Documentation: correctly use see-also tags to link to related membersVolker Hilsheimer2020-02-261-4/+5
| | | | | Change-Id: I764eb4730067cd704866191516dc4e8dd1820760 Reviewed-by: Nico Vertriest <nico.vertriest@qt.io>
* QObject: treat T* -> bool conversions as narrowingMarc Mutz2020-02-261-0/+4
| | | | | | | | | | | | | | | | | | | | Following wg21.link/LWG3228, it was found that a proper variant fix requires that T* -> bool conversions be treated as narrowing conversions in subclause wg21.link/dcl.init.lst. wg21.link/P1957R2 was accepted in Prague 2020 as a DR and retroactively applies to older C++ standards. Since we hard-code the algorithm of [dcl.init.lst], we can and must add this manually. [ChangeLog][QtCore][QObject] For the purposes of QT_NO_NARROWING_CONVERSIONS_IN_CONNECT, pointer (incl. pointer-to-member) to bool conversions are now considered narrowing. This matches the resolution of a defect report in C++ itself. Change-Id: Ifa9a3724c9c8ccd3dd6614928dbbe37477591dc1 Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
* Use QT_DEPRECATED_X instead of Q_DECL_DEPRECATED_XThomas Sondergaard2020-02-253-12/+12
| | | | | | | | | Allow deprecation warnings to be controlled with QT_NO_DEPRECATED_WARNINGS. Fixes: QTBUG-82424 Change-Id: I6df55ee2abaf4c141ac9b0e7661e46ba3706b20e Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Set the size of the buffer so it is big enough to hold the contentsAndy Shaw2020-02-251-1/+1
| | | | | | | | | | This will prevent a crash later on when it tries to assign to an index in a QString that has not been allocated. Fixes: QTBUG-81950 Change-Id: Ia0b5648a18f15594eeca07d234bedadcfeb266ac Reviewed-by: Mitch Curtis <mitch.curtis@qt.io> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
* Remove misplaced backslash from documentationVolker Hilsheimer2020-02-251-1/+1
| | | | | | | | A \c{} section is already rendered using monospace, no need to escape the \nullptr keyword explicitly. Change-Id: I004a409892809e968c7a73c68a5b3c54a4680425 Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* QAbstractItemView: Make sure to update the editor geometriesChristian Ehrlicher2020-02-231-1/+3
| | | | | | | | | | QAbstractItemView::setIndexWidget() does not trigger a relayouting when a new widget is set. This results in a wrong editor geometry under some circumstances. Fix it by triggering a delayed relayout. Fixes: QTBUG-81763 Change-Id: I75d0e19bd5e56d63effe4990d782d202fb39e3e6 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
* Fix wrong DPI used by QStyle::pixelMetric()Friedemann Kleint2020-02-2222-59/+74
| | | | | | | | | Pass on the option or the widget in order to ensure usage of the correct DPI for High DPI scaling. Task-number: QTBUG-82356 Change-Id: I5df903a83f88adebd143e514e2fead367d39f015 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Update md4c to 0.4.3Giuseppe D'Angelo2020-02-223-235/+386
| | | | | | | | | | Fixes important bugs. [ChangeLog][Third-Party Code] md4c was updated to 0.4.3. Change-Id: Ifed7939b7bd67e3f0a7776b4f4b1132d80141033 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
* QStyle: Use primary screen DPI as default DPIMorten Johan Sørvig2020-02-211-0/+6
| | | | | | | | | | | | | | | | | Change d603ee68 made the default DPI be 96, for cases where a style option is not provided. This causes inconsistencies, since there are in fact several cases where QStyle API is called without a style option. Restore historical Qt behavior of using the primary screen DPI. Single-screen systems should now be consistent, as before. Task-number: QTBUG-82356 Change-Id: I849934ca2e5604b9fb2f045ed4f6058f3e0426ff Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
* Replace usage of std::result_of with decltypeMårten Nordheim2020-02-211-1/+1
| | | | | | | | It's slated for removal in c++20 Fixes: QTBUG-82240 Change-Id: I7b35c151413b131ca49b2c09b6382efc3fc8ccb6 Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* QShaderGenerator: Allow more expressions in input nodesNicolas Guichard2020-02-201-6/+3
| | | | | | | | | | | | | | | | | | Currently QShaderGenerator will crash when encountering some expressions in input nodes. For example, this node prototype would make it crash: "VERTEX_COLOR": { "outputs": ["color", "alpha"], "rules": [ "headerSnippets": ["in vec4 vertexColor;"], "substitution": "vec3 $color = vertexColor.rgb; float $alpha = vertexColor.a;" ] } Change-Id: I37abb8099d376843a4cb13228140467dc1b8f60c Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
* QShaderGenerator: Don't crash when a node has multiple outputsNicolas Guichard2020-02-201-28/+39
| | | | | | | | | | | | | | | | | | | | | | It was already possible to declare a node prototype with multiple outputs, but trying to assign to all those outputs was not possible and instead resulted in a crash. It is now possible to declare nodes like this without crashing: "SEPERATE_XYZ": { "inputs": ["vector"], "outputs": ["x", "y", "z"], "rules": [ { "substitution": "float $x = $vector.x; float $y = $vector.y; float $z = $vector.z;" } ] } Change-Id: I748e77e84c9120dc688c573eee33dc13c6bfbace Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
* QString: Add missing number() crosslinks to setNum()Andre Hartmann2020-02-201-0/+6
| | | | | | Change-Id: I22a4c86034b399782115bb078c298b211095476a Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de> Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* Doc: Update description of QTextDocument::characterCountPaul Wicking2020-02-201-0/+3
| | | | | | | | | | | | A QTextDocument always contains a QChar::ParagraphSeparator, so characterCount() will always return actual count + 1. The tests confirm this behavior, make it explicit in the docs. Fixes: QTBUG-80597 Change-Id: I91040fb6eb2c4fae5235458c695110f8f15bdfea Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io> Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io> Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
* QShaderGraph: don't generate statements with undefined inputsNicolas Guichard2020-02-191-0/+47
| | | | | | | | | | | | | | | This fixes the shader generation for graphs like this one: Function0 ------> Output0 (with unbound input) Input ------> Function1 ------> Output1 With those graphs, createStatements will not return any statement for nodes Function0 and Output0. Change-Id: Iec32aa51623e176b03ae23e580f06d14df80a194 Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
* Fix QShaderGenerator crashing when a node port name prefixed another oneNicolas Guichard2020-02-191-3/+39
| | | | | | | | | | | | | | QShaderGenerator didn't handle substitutions like `vec4 $color = mix($color1, $color2, $fac);` Note that `$color` is a prefix to `$color1` and `$color2`. For the substitution `QByteArray::replace` was used so if `$color` was handled first and replaced by `v1`, `$color1` and `$color2` were never correctly replaced and instead became `v11` and `v12` which caused a crash later on. Change-Id: Idaf800fdac468f33c323eb722701da5f8eb918d6 Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
* Fix RollEffect misplacements in High DPI setupsFriedemann Kleint2020-02-181-5/+11
| | | | | | | | Pass the correct screen as parent of the roll effect widget. Fixes: QTBUG-82011 Change-Id: I25c163cb2e4c038e60ceced702a1ea6c18aa5424 Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
* Make libmd4c a private dependency of Qt GUIDmitry Shachnev2020-02-181-1/+1
| | | | | | | | | Otherwise, when Qt is built with system libmd4c, all applications using Qt GUI have to link with it, even if they do not use it. Change-Id: I662dfd4caf29bb692b62c20cef0e99148a87a99a Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
* QMacStyle - fix tab buttonsTimur Pocheptsov2020-02-181-0/+13
| | | | | | | | | | | not to have arrows under some conditions. NSPopUpButton had a needed color, except it also has arrow(s). Which looks quite confusing on an inactive window on a tab button. Fixes: QTBUG-82122 Change-Id: I40c57abe9ccae48fa906d592169c412f5f89f712 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io> (cherry picked from commit 0e643bf7830949ade66e76a6eefa99b4b24c422b)
* Fix a typo in QLocalSocket docAlexander Akulich2020-02-181-1/+1
| | | | | | Change-Id: I3047cb24051c7f25d77d5b2b86ff145a52695107 Reviewed-by: Paul Wicking <paul.wicking@qt.io> Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* wasm: add platform qsettingsLorn Potter2020-02-186-38/+277
| | | | | | | | | | | | | | Since the backend is async, the settings will not be ready to read/write instantly as on other platforms, but only be ready after the filesystem has been synced to the sandbox. This takes at least 250 to 500 ms. The QSettings status() or isWritable() can be used to discern when the settings are ready for use. This also fixes a crash in threaded wasm Task-number: QTBUG-70002 Change-Id: I080bdb940aa8e9a126d7358b524f32477db151b6 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: futureproof EmscriptenMouseEventLorn Potter2020-02-181-2/+2
| | | | | | | | | | Future versions of emscripten will remove the timestamp, so we need to replace this with the current timestamp See https://github.com/emscripten-core/emscripten/commit/a7f058a1e6e4b72b4446a3b36f8e96f9f8f41f2d#diff-9a5d68085dc7db2938b37a2b7b05c1f5 Change-Id: I8379d1adee1df1084461fddb1dd2e71684de9657 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: guard nonthreaded builds from using threading.hLorn Potter2020-02-181-0/+2
| | | | | Change-Id: Ib5cd8afc4822cc89371d184ee5645ed8f496c8b0 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Fix typo in QGuiApplication's documentationYuhang Zhao2020-02-181-1/+1
| | | | | Change-Id: Ie6a05c8d71b81777ae79a5ff3db380b284d56313 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
* wasm: Specify event targets by CSS selectors; Support emsdk >= 1.39.5Morten Johan Sørvig2020-02-184-20/+21
| | | | | | | | | | | | | | | DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR is now on by default, which means that functions like emscripten_set_keydown_callback() now expects CSS selectors (e.g. "#canvas_id" instead of "canvas_id"). In addition, Module.canvas is no more. Add a deprecation warning in case someone is setting it and expects Qt to use it. (qtloader.js sets qtCanvasElements instead). This bumps the minimum supported emsdk version to 1.39.5. Change-Id: I38abb2a191076ea04581c29552657ee3e0b87dbc Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* QShaderGraph: Fix statement creation for graphs with dangling branchesNicolas Guichard2020-02-171-5/+12
| | | | | | | | | | | | | | | | | | For graphs like this one: Input ----> Function1 ----> Output \ ---> Function2 (unbound output) We would have generated only 2 statements, for Function1 and Output. This change fixes this by treating Function2 like an output. Therefore it generates 4 statements: Input, Function1, Output and Function2. Change-Id: Iaada40b9b949d771806dd47efad4f7ef2a775b48 Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
* wasm: fix crash when qtvkb tries to load a pluginLorn Potter2020-02-161-1/+1
| | | | | | | | | | We do not have dlopen, harfbuzz seems to try and load the thai plugin using dlopen when just iterating through the language selector in virtualkeyboard.. Fixes: QTBUG-78825 Change-Id: Iee064a1d9a628784e3ce46d641cd157a69bcb696 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Only read the first BOM as a BOM; the rest are ZWNBS !Edward Welbourne2020-02-141-0/+1
| | | | | | | | | | QUtf32::convertToUnicode() was forgetting to set headerdone when it dealt with the header (for contrast, Utf16::convertToUnicode() does). Fixes: QTBUG-62011 Change-Id: Ia254782ce0967a6cf9ce0e81eb06d41521150eed Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* QAbstractItemView: do not request illegal model indexesGiuseppe D'Angelo2020-02-141-9/+0
| | | | | | | | | | | | | | If a model is empty, there is no index (0, 0); requesting it is undefined behavior. Rather than protecting the calls with checks on rowCount/columnCount, remove the Q_ASSERTs altogether: they're trying to do some basic sanity checks on the model, something that doesn't belong to a view (but, say, to QAbstractItemModelTester). Change-Id: I0ea25604fdcf524a10f5922a03a4d0700447f6a7 Reviewed-by: Andre Somers <andre.somers@kdab.com> Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
* Avoid return QImage::Format_Invalid from QPlatformScreen::format()Allan Sandfeld Jensen2020-02-141-1/+3
| | | | | | | | | This can be used to set the pixmap format, and needs to be defined to something sane even if there is no primary screen. Task-number: QTBUG-81671 Change-Id: Ic0d41cec31ac71309123aa8bb8b840fa4a4122bb Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
* QNAM: Correct logic of network monitor when bearer is disabledMårten Nordheim2020-02-141-1/+1
| | | | | Change-Id: I0abe9034874a80423ad1e332404236dc5ff54365 Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* QNetConMonitor(Win): Account for LOCALNETWORK reachabilityMårten Nordheim2020-02-141-7/+31
| | | | | | | | | | | | | | | | | What I originally thought NLM_CONNECTIVITY_IPV*_SUBNET meant turns out to be what NLM_CONNECTIVITY_IPV*_LOCALNETWORK is, leaving me to wonder when *_SUBNET is actually used. Anyway we now also check *_LOCALNETWORK to make sure we're not unnecessarily denying certain connections to be made. At the same time check for link-local connections where both local and remote are link-local, in this case even NLM_CONNECTIVITY_IPV*_NOTRAFFIC is valid. Unfortunately this check cannot be done in QNetworkStatusMonitor, so QNAM will likely not allow these connections. Task-number: QTBUG-80947 Change-Id: Ieb96ce9f4a478eef0c3ea47f2471f701c102b4d4 Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* QUrl doc: Fix typoFabian Kosmale2020-02-141-1/+1
| | | | | Change-Id: I76cd27ac07d09bd2ea9b818d34d1882230f66b10 Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
* QLinkedListData: Move Q_CORE_EXPORT from class to shared_nullThiago Macieira2020-02-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | This makes no difference for the IA-64 C++ ABI nor for MSVC until MSVC 2019 16.6. But it does with 16.6, where the std::atomic constructor becomes non-trivial, which makes QtPrivate::RefCount non-trivial, which makes QLinkedListData non-trivial. Before this change: User code \ Qt MSVC <=16.5 MSVC >=16.6 MSVC <=16.5 works works MSVC >=16.6 fails works With this change, they should all work. The list of symbols exported should not change either, so linking against a Qt compiled with MSVC <=16.5 should continue to work. [ChangeLog][MSVC] Fixed a compatibility issue found when linking code compiled with version 16.6 to a Qt compiled with 16.5. Fixes: QTBUG-81727 Change-Id: If79a52e476594446baccfffd15ee771397467f8b Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
* QStringView: Fix warning about conversion from qsizetype to intThiago Macieira2020-02-131-1/+1
| | | | | | Fixes: QTBUG-81764 Change-Id: If79a52e476594446baccfffd15eecb9d9e578118 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QTcpSocket::bind: fix issue found by BLACKLISTThiago Macieira2020-02-131-1/+2
| | | | | | | | | | | The comment in QNativeSocketEnginePrivate::fetchConnectionParameters() talked about IPv6 v4-mapped addresses. However, toIPv4Address also converts the unspecified address (::), which resulted in QAbstractSocket saying that it had bound to QHostAddress::Any instead of QHostAddress::AnyV6 Change-Id: I572733186b73423b89e5fffd15f138579c5c0c50 Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* Account for a reply that is finished before we can connect the signalsAndy Shaw2020-02-124-0/+15
| | | | | | | | | | | | | | In a case where a connection is refused, then it is possible for it to fail at the time that the QHttpNetworkReply is being created and therefore after the connections have been made it would have already emitted the signal to indicate it was finished with an error. To account for this, then it checks if there is an error code set on the reply and if there is then it will call the relevant slot right away. Fixes: QTBUG-57799 Change-Id: I4e73e5c82092c09f825343d18db40b47c3cdb9ac Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* Windows QPA: Implement IExpandCollapseProvider for submenusAndre de la Rocha2020-02-126-0/+224
| | | | | | | | | | | Menu items with submenus should implement the Expand/Collapse UI Automation pattern in order to allow screen readers to say whether they are expandable items. Fixes: QTBUG-80550 Change-Id: I4f72d30172f76f028be5cbdeb1fd85fca6b07acf Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io> Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
* Add \since to namespace QColorConstantsFriedemann Kleint2020-02-121-0/+1
| | | | | | | Introduced by 77de5a329c98c3787725cb3c0a50d8f369b9479c. Change-Id: Ib99dd38c72a74f2ae9c0dfbcecf659fe75f9a27d Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* Doc: Fix documentation for QSortFilterProxyModel::filterAcceptsColumnPaul Wicking2020-02-121-6/+2
| | | | | | | | | | filterAcceptsColumn always returns true unconditionally and must be reimplemented (overridden) by user code to achieve the described behavior. Change the documentation to reflect this fact. Fixes: QTBUG-81654 Change-Id: I0dade63294598238d2ad54ab251b4c1b27c72cdf Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
* macOS: Tag sub-layer images with color space on flushTor Arne Vestbø2020-02-111-1/+2
| | | | | | | | Failing to tag the image results in costly CPU-based color-space conversions. Change-Id: Ib65547f4b99b83e10d3603c27388f50eb4d3840c Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* Set also ndk.dirBogDan Vatra2020-02-111-1/+2
| | | | | | | | It's needed when ANDROID_NDK_HOME is not set Fixes: QTBUG-81978 Change-Id: Id6108083ae62757ca839d652793d98a89e6cb6b5 Reviewed-by: Andy Shaw <andy.shaw@qt.io>
* Android: Fix native fileDialog not waiting for user selectionAssam Boudjelthia2020-02-102-0/+5
| | | | | | | | | Add an event loop to wait for user file selection in native fileDialog Task-number: QTBUG-77214 Change-Id: I3d97d6c3f46cf2a8ed0ee6f98e555e8d62e12cc3 Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io> Reviewed-by: Andy Shaw <andy.shaw@qt.io>
* QStorageInfo/Linux: resolve non-existent devices via /dev/blockThiago Macieira2020-02-091-3/+18
| | | | | | | | | | | | | | | | | On systems with very simple boot sequences, the kernel will create a device called /dev/root and use that to mount the root filesystem. However, that doesn't actually exist in /dev and could cause confusion. So we try to resolve using /dev/block if the /dev entry does not exist but udev is in use (udevd has the string "/dev/%s/%u:%u"). [ChangeLog][QtCore][QStorageInfo] Improved discovery of device nodes on Linux if the /dev entry was renamed after the filesystem was mounted and udev is in use. Fixes: QTBUG-81464 Change-Id: If79a52e476594446baccfffd15eec573ae3deb0d Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QComboBox: send font change event to popup menu when font changedWang Chuan2020-02-071-1/+3
| | | | | | | | | | | | The font change in QComboBox might cause incorrect appearance of popup menu since it doesn't notify popup menu to relayout itself Fixes the issue by send font change event to the item view of popup menu when received a font change event in QComboBox Fixes: QTBUG-75846 Change-Id: I4821015cca95a7e233a22262596a6fbf27f10aef Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
* QPushButton: fix text truncating when icon+text+menu is drawnChristian Ehrlicher2020-02-061-1/+2
| | | | | | | | | When a QPushButton has an icon, text and menu, the text is truncated. In RTL mode the menu indicator is also drawn on the wrong side. Fixes: QTBUG-81784 Change-Id: I27ecb67d12c68ac939540f0f836b2e2875706b4b Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Doc: QPersistentModelIndex cannot be stored in a QStandardItemVolker Hilsheimer2020-02-061-0/+3
| | | | | | | | | | | As discussed in the bug report, making sure that the reference counts are correct in such scenarios adds substantial complexity to the code, only to support a bad use-case for which QStandardItemModel was not designed. Change-Id: I663b490ed3471875386add17e7eadb7d8df50489 Fixes: QTBUG-78142 Reviewed-by: Paul Wicking <paul.wicking@qt.io>
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